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An oil drop whose mass is 2.6×10−15 kg is held at rest between two large plates...

An oil drop whose mass is 2.6×10−15 kg is held at rest between two large plates separated by 1.1 cm (Figure 1) when the potential difference between the plates is 350 V .

How many excess electrons does this drop have?

Express your answer as an integer.

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Answer #1

Electric field between the plates are uniform.

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